ADT7470 Analog Devices, Inc., ADT7470 Datasheet - Page 25

• Manufacturer Part Number: ADT7470
• Description: Temperature Sensor Hub And Fan Controller
• Manufacturer: Analog Devices, Inc.

Address
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Interrupt Status
Register 2
Fan Pulses per
Revolution
Temperature 1 Low
Limit
Temperature 1
High Limit
Temperature 2 Low
Limit
Temperature 2
High Limit
Temperature 3 Low
Limit
Temperature 3
High Limit
Temperature 4 Low
Limit
Temperature 4
High Limit
Temperature 5 Low
Limit
Temperature 5
High Limit
Temperature 6 Low
Limit
Temperature 6
High Limit
Temperature 7 Low
Limit
Temperature 7
High Limit
Temperature 8 Low
Limit
Temperature 8
High Limit
Temperature 9 Low
Limit
Temperature 9
High Limit
Temperature 10
Low Limit
Temperature 10
High Limit
Tach 1 Min Low
Byte
Tach 1 Min High
Byte
Tach 2 Min Low
Byte
Tach 2 Min High
Byte
Tach 3 Min Low
Byte
Tach 3 Min High
Byte
Tach 4 Min Low
Byte
Tach 4 Min High
Byte
Bit 7
Fan 4
Fan 4
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
15
7
15
7
15
7
15
Bit 6
Fan 3
Fan 4
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
14
6
14
6
14
6
14
Bit 5
Fan 2
Fan 3
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
13
5
13
5
13
5
13
Rev. B | Page 25 of 40
Bit 4
Fan 1
Fan 3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
12
4
12
4
12
4
12
Bit 3
NORM
Fan 2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
11
3
11
3
11
3
11
Bit 2
R10T
Fan 2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10
2
10
2
10
2
10
Bit 1
R9T
Fan 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
Bit 0
R8T
Fan 1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
Default
0xXX
0x55
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
ADT7470
Lockable